On Sat, 20 Jun 2020 at 18:59, Gautam Ramakrishnan <gautamr...@gmail.com>
wrote:

> On Thu, Jun 18, 2020 at 3:06 AM Carl Eugen Hoyos <ceffm...@gmail.com>
> wrote:
> >
> > Am Mi., 17. Juni 2020 um 23:30 Uhr schrieb Carl Eugen Hoyos
> > <ceffm...@gmail.com>:
> >
> > > (A wild guess is that gray8 has to be added to RGB_PIXEL_FORMATS)
> >
> > If this is the issue, GRAY_PIXEL_FORMATS have to be added to
> > yuv_pix_fmts[]
> >
> > Carl Eugen
> > _______________________________________________
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> >
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>
> What does the variable log2_chroma_wh refer to in the native
> jpeg2000 decoder? Gray8 seems to be checked, but is not getting matched.
>

The 2^n divisor that the chroma is subsampled by.
i.e 0 - none, 1 - half, 2, quarter

BTW, these questions will get a faster response on irc

Kieran
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